Do you realize Fischer almost never has any bad pieces? He exchanges them, and the bad pieces remain with his opponents.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown325"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[ECO "A02"]
[FEN "8/4kp2/p5p1/2pP2p1/3p2P1/P2P1P2/4K2P/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. f4 f6 2. fxg5 ( { White can try: } 2. Kf3 gxf4 3. Kxf4 g5+ 4. Ke4 Kd6 5. Kf5 c4 6. dxc4 d3 7. Kxf6 d2 8. Kxg5 d1=Q { Black wins with a large material
advantage. } ) 2... fxg5 3. Kf3 Kd6 4. Ke4 Kd7 5. Ke5 Kd8 6. a4 a5 7. d6 c4 8. Kxd4 cxd3 9. Kxd3 Kd7 10. Kc4 Kxd6 11. Kb5 Kd5 12. Kxa5 Kc5 13. h3 Kc6 14. Kb4 Kb6 15. Kc4 Ka5 16. Kd5 Kxa4 17. Ke6 Kb4 18. Kf6 Kc4 19. Kxg6 Kd4 20. Kxg5 { White
wins with a large material advantage. } 1-0